@-webkit-keyframes animationUp10 /* Safari and Chrome */
{
  0%   {top: 0px;}
  50%  {top: -3px;}
  100% {top: -6px;}
}

.fty-dance {
  &:hover {
    animation: animationUp10 0.1s;
    -webkit-animation: animationUp10 0.1s;
    animation-fill-mode: forwards; /*当动画完成时，动画会停留在最后一帧。*/
  }
}
